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Diffstat (limited to 'test/test_pcm_volume.c')
| -rw-r--r-- | test/test_pcm_volume.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/test/test_pcm_volume.c b/test/test_pcm_volume.c deleted file mode 100644 index 713645cf1..000000000 --- a/test/test_pcm_volume.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "test_pcm_all.h" -#include "pcm_volume.h" - -#include <glib.h> - -#include <string.h> - -void -test_pcm_volume_8(void) -{ - enum { N = 256 }; - static const int8_t zero[N]; - int8_t src[N]; - for (unsigned i = 0; i < N; ++i) - src[i] = g_random_int(); - - int8_t dest[N]; - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S8, - 0), ==, true); - g_assert_cmpint(memcmp(dest, zero, sizeof(zero)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S8, - PCM_VOLUME_1), ==, true); - g_assert_cmpint(memcmp(dest, src, sizeof(src)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S8, - PCM_VOLUME_1 / 2), ==, true); - - for (unsigned i = 0; i < N; ++i) { - g_assert_cmpint(dest[i], >=, (src[i] - 1) / 2); - g_assert_cmpint(dest[i], <=, src[i] / 2 + 1); - } -} - -void -test_pcm_volume_16(void) -{ - enum { N = 256 }; - static const int16_t zero[N]; - int16_t src[N]; - for (unsigned i = 0; i < N; ++i) - src[i] = g_random_int(); - - int16_t dest[N]; - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S16, - 0), ==, true); - g_assert_cmpint(memcmp(dest, zero, sizeof(zero)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S16, - PCM_VOLUME_1), ==, true); - g_assert_cmpint(memcmp(dest, src, sizeof(src)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S16, - PCM_VOLUME_1 / 2), ==, true); - - for (unsigned i = 0; i < N; ++i) { - g_assert_cmpint(dest[i], >=, (src[i] - 1) / 2); - g_assert_cmpint(dest[i], <=, src[i] / 2 + 1); - } -} - -/** - * Generate a random 24 bit PCM sample. - */ -static int32_t -random24(void) -{ - int32_t x = g_random_int() & 0xffffff; - if (x & 0x800000) - x |= 0xff000000; - return x; -} - -void -test_pcm_volume_24(void) -{ - enum { N = 256 }; - static const int32_t zero[N]; - int32_t src[N]; - for (unsigned i = 0; i < N; ++i) - src[i] = random24(); - - int32_t dest[N]; - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S24_P32, - 0), ==, true); - g_assert_cmpint(memcmp(dest, zero, sizeof(zero)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S24_P32, - PCM_VOLUME_1), ==, true); - g_assert_cmpint(memcmp(dest, src, sizeof(src)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S24_P32, - PCM_VOLUME_1 / 2), ==, true); - - for (unsigned i = 0; i < N; ++i) { - g_assert_cmpint(dest[i], >=, (src[i] - 1) / 2); - g_assert_cmpint(dest[i], <=, src[i] / 2 + 1); - } -} - -void -test_pcm_volume_32(void) -{ - enum { N = 256 }; - static const int32_t zero[N]; - int32_t src[N]; - for (unsigned i = 0; i < N; ++i) - src[i] = g_random_int(); - - int32_t dest[N]; - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S32, - 0), ==, true); - g_assert_cmpint(memcmp(dest, zero, sizeof(zero)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S32, - PCM_VOLUME_1), ==, true); - g_assert_cmpint(memcmp(dest, src, sizeof(src)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_S32, - PCM_VOLUME_1 / 2), ==, true); - - for (unsigned i = 0; i < N; ++i) { - g_assert_cmpint(dest[i], >=, (src[i] - 1) / 2); - g_assert_cmpint(dest[i], <=, src[i] / 2 + 1); - } -} - -void -test_pcm_volume_float(void) -{ - enum { N = 256 }; - static const float zero[N]; - float src[N]; - for (unsigned i = 0; i < N; ++i) - src[i] = g_random_double_range(-1.0, 1.0); - - float dest[N]; - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_FLOAT, - 0), ==, true); - g_assert_cmpint(memcmp(dest, zero, sizeof(zero)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_FLOAT, - PCM_VOLUME_1), ==, true); - g_assert_cmpint(memcmp(dest, src, sizeof(src)), ==, 0); - - memcpy(dest, src, sizeof(src)); - g_assert_cmpint(pcm_volume(dest, sizeof(dest), SAMPLE_FORMAT_FLOAT, - PCM_VOLUME_1 / 2), ==, true); - - for (unsigned i = 0; i < N; ++i) - g_assert_cmpfloat(dest[i], ==, src[i] / 2); -} |